Needle hub



FIG. 1 is a rear view of a needle hub, showing the design in a first embodiment thereof;

FIG. 2 is a rear and side perspective view of a needle hub, showing the design in a first embodiment thereof;

FIG. 3 is a rear and side perspective view of a needle hub, showing the design in a first embodiment thereof;

FIG. 4 is a rear view of a needle hub, showing the design in a second embodiment thereof;

FIG. 5 is a rear and side perspective view of a needle hub, showing the design in a second embodiment thereof;

FIG. 6 is a rear and side perspective view of a needle hub, showing the design in a second embodiment thereof;

FIG. 7 is a rear view of a needle hub, showing the design in a third embodiment thereof;

FIG. 8 is a rear and side perspective view of a needle hub, showing the design in a third embodiment thereof; and,

FIG. 9 is a rear and side perspective view of a needle hub, showing the design in a third embodiment thereof.

Any broken lines shown in the drawing figures of the design of the needle hub, and of other features and contour of the article of the needle hub, is for illustrative purposes only and forms no part of the claimed design.

Any surface of the needle hub not shown, or any part of any such surface not shown, is not a part of the claimed design. 

We claim the ornamental design for a needle hub, as shown and described. 